Revert "kbuild: remove unused dtc-version.sh script"

We need this to make building dtc optional. It makes no sense to build our
own dtc if the system one works correctly.

This reverts commit ddb87a0b40.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-09-22 11:34:43 -06:00 committed by Tom Rini
parent 9c79815c5c
commit d7faa082a5
3 changed files with 24 additions and 0 deletions

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@ -756,6 +756,7 @@ F: include/fdt*
F: include/linux/libfdt*
F: cmd/fdt.c
F: common/fdt_support.c
F: scripts/dtc-version.sh
FREEBSD
M: Rafal Jaworowski <raj@semihalf.com>

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@ -148,6 +148,7 @@ cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4))
# added for U-Boot
binutils-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/binutils-version.sh $(AS))
dtc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/dtc-version.sh $(DTC))
# cc-ldoption
# Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)

22
scripts/dtc-version.sh Executable file
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@ -0,0 +1,22 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0+
#
# dtc-version dtc-command
#
# Prints the dtc version of `dtc-command' in a canonical 6-digit form
# such as `010404' for dtc 1.4.4
#
dtc="$*"
if [ ${#dtc} -eq 0 ]; then
echo "Error: No dtc command specified."
printf "Usage:\n\t$0 <dtc-command>\n"
exit 1
fi
MAJOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 1)
MINOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 2)
PATCH=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 3 | cut -d - -f 1)
printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCH